Home / 13,839.38-20,732.31-11,591.52

Finding the Fourth Proportional to 13,839.38, 20,732.31 and 11,591.52

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Solution

The fourth proportional to 13,839.38, 20,732.31 and 11,591.52 is: 17,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.38 : 20,732.31 = 11,591.52 : x
  2. Step 2: Convert to fraction form
    13,839.38/20,732.31 = 11,591.52/x
  3. Step 3: Cross multiply
    13,839.38x = 20,732.31 × 11,591.52
  4. Step 4: Simplify right side
    13,839.38x = 240,318,986.01
  5. Step 5: Solve for x
    x = 240,318,986.01/13,839.38
  6. Step 6: Final answer
    x = 17,364.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.